... Brand:Tigersteel API 5L ASTM A 53/A106 Gr.B seamless steel tube,line pipe & oil & gas line Standard: API ... 20 Ton Details: Product seamless steel tube,line pipe ,oil & gas pipe line Brand Tiger steelStandard ASTM A53,BS1387- ... ,DIN2440,GB/T3091-2008,EN39,BS1139Material Carbon steel :ASTM A 53/A106 GR,B ,X42.X52. Q195,Q235,Q345 ... seamless, weldedO.D. 1/2-24 inchW.T. 3.0-40 mmLength 5.8m,6.0m,11.5m,11.8m ...